111220221103 has 2 divisors, whose sum is σ = 111220221104. Its totient is φ = 111220221102.

The previous prime is 111220221071. The next prime is 111220221107. The reversal of 111220221103 is 301122022111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111220221103 - 2⁵ = 111220221071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111220221107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55610110551 + 55610110552.

It is an arithmetic number, because the mean of its divisors is an integer number (55610110552).

Almost surely, 2^111220221103 is an apocalyptic number.

111220221103 is a deficient number, since it is larger than the sum of its proper divisors (1).

111220221103 is an equidigital number, since it uses as much as digits as its factorization.

111220221103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 111220221103 its reverse (301122022111), we get a palindrome (412342243214).

The spelling of 111220221103 in words is "one hundred eleven billion, two hundred twenty million, two hundred twenty-one thousand, one hundred three".